TEPCat: WASP-147


 

This page summarises the information held within TEPCat for the transiting planetary system WASP-147. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper arXiv:1807.06973  
Date of discovery paper 2018 / 7 / 19 y / m / d
Right ascension 23 56 45.97 h m s
Declination −22 09 11.4 d m s
V-band apparent magnitude 12.30 mag
K-band apparent magnitude 10.86 mag
Transit duration 0.1831
( 4.394 )
day
hour
Transit depth 0.8 %
Time of mid-transit   2456562.5950 ± 0.0013     HJD or BJD
Orbital period 4.60273 ± 0.000027 days
Reference for orbital ephemeris   arXiv:1807.06973  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5700 ± 100 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.09 ± 0.07 dex
Stellar mass 1.04 ± 0.07   Msun
Stellar radius 1.37 ± 0.08 Rsun
Stellar logarithmic surface gravity 4.0 ± 0.1 c.g.s.
Stellar mean density 0.361 +0.054 −0.088
( 0.509 +0.076 −0.124 )
ρsun
g cm-3
Orbital eccentricity 0.0 +0.19 −0.0  
Orbital semimajor axis   0.0549 +0.0012 −0.0013  AU
Planetary mass 0.275 +0.028 −0.027
( 87.4 +8.9 −8.6 )
Mjup
Mearth
Planetary radius 1.115 +0.14 −0.093
( 12.5 + 1.6 − 1.0 )
Rjup
Rearth
Planetary surface gravity 5.5 +1.1 −1.2
2.74 +0.08 −0.11
m/s2
log(cgs)
Planetary mean density 0.198 +0.061 −0.060
( 0.263 +0.081 −0.080 )
ρjup
g cm-3
Planetary equilibrium temperature 1404 +69 −43 K
Reference of detailed study arXiv:1807.06973  

 

WASP-147 does not have an entry in the catalogue of orbital obliquity measurements.

 

WASP-147 has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.

 


Page generated on 2019/07/16           John Southworth   (Keele University, UK)